20587260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18059}}^1$

素因数の和:18090

約数の個数: 48

約数和(自身を含む): 60681600

約数和(自身を除く): 40094340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18059, 36118, 54177, 72236, 90295, 108354, 180590, 216708, 270885, 343121, 361180, 541770, 686242, 1029363, 1083540, 1372484, 1715605, 2058726, 3431210, 4117452, 5146815, 6862420, 10293630, 20587260]

約数ペア:

[(1, 20587260), (2, 10293630), (3, 6862420), (4, 5146815), (5, 4117452), (6, 3431210), (10, 2058726), (12, 1715605), (15, 1372484), (19, 1083540), (20, 1029363), (30, 686242), (38, 541770), (57, 361180), (60, 343121), (76, 270885), (95, 216708), (114, 180590), (190, 108354), (228, 90295), (285, 72236), (380, 54177), (570, 36118), (1140, 18059)]